White risers with dark treads (probably stained hemlock) work in the notoriously small entryway. Upper wall is a handrail, so it is a bit more open than this one, will do with white square balusters, square simple newel post.
Ewa and husband Andrew approached their new home's balustrade in an interesting way. With only a tiny hall closet, they could benefit from some additional storage. See what they did with a trip to IKEA: